AMG P. Henchoz SA
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Precision CNC machining in SwitzerlandPrecision CNC machining in Switzerland

Tolerances down to ±0.003 mm · Swiss precision manufacturing

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Our values

The principles behind our precision and service

Quality

At AMG SA, we take pride in delivering high-quality machining with attention to every detail. Using reliable equipment and proven techniques, we work carefully to meet exact specifications and ensure consistent, dependable results.

Communication

We work closely with our clients at every stage to understand their needs and expectations. Through clear and consistent communication, we make sure each project moves forward smoothly and delivers the desired results.

Experience

With years of hands-on experience and technical know-how, we are here to offer practical advice and guidance throughout your project. Whether it is material choice, design adjustments, or production methods, we help you make informed decisions for the best results.

Time

We respect your deadlines and work efficiently to deliver the right parts on time, with clear communication every step of the way.

Three specialist brands, one company

AMG SA is bringing together three complementary areas of expertise under one company, while each established brand retains its identity.

Core speciality

Large-format CNC machining, 5-axis milling, turning and grinding for complex industrial components.

Core speciality

Certified welding in stainless steel, aluminium and steel, with prototype fabrication and precision assembly.

Core speciality

High-precision machining of non-ferrous metals.

Precision you can count on

With advanced CNC capabilities and decades of experience, we deliver precise, reliable machining, on time and to your exact specifications.

  View Our Work

Large CNC machining centre at AMG SA

Industries we support

Precision components and machine elements for demanding industrial applications.

Medical technology & pharmaceuticalsFood processing & packaging machineryChemical, paper & coatings industriesIndustrial equipment & automationPower transmission & energy infrastructureTransport, construction & public worksMetallurgy & materials processingPrototyping, architecture & design

Confidentiality and trust

Our core values

Confidentiality

Your information is safe

Your information is treated carefully and kept confidential at all times.

Trust

Reliability & Integrity

We build long-term relationships based on transparency, honesty, and reliability.

Since 1984
Precision experience
5
Axis machining
150+
Materials

Our work

A selection of precision-machined components and processes

Capabilities

From one-off components to repeat production, our workshop combines CNC machining, conventional methods, welding, assembly and controlled finishing.

CNC Machining

  • 5-axis & 4-axis milling (Matsuura, Ibarmia, Okuma)
  • Multi-palette, high-volume systems
  • Work envelope up to X3000 × Y800 × Z900 mm

CNC Turning

  • 3-axis CNC turning (Doosan, Mori-Seiki)
  • Live tooling for complex parts
  • Max Ø700 × 1000 mm

Conventional Machining

  • Manual turning & milling
  • Boring, surface grinding, honing
  • Drilling (Aciera column drills)

Welding

  • All materials, certified welders
  • Stainless & special alloys
  • Procedures to international standards

Mechanical Assembly

  • Assembly of machined & welded parts
  • Complex sub-assemblies

Surface Finishing

  • Internal & external cylindrical grinding
  • Finishing precision down to 0.003 mm

Certifications & quality documentation

  • Material certificates and traceability reports
  • Welding qualifications (QMOS, DMOS and QS)
  • Dimensional, surface finish and inspection reports

Our machines

A versatile machine park for complex geometries, large components and reliable repeat production.

Conventional Machining

Lathes
  • Schaublin 102
  • Cazeneuve
Milling Machines
  • Schaublin 53
Other Conventional Machines
  • Boring Machine – SACEM
  • Planer – 1200 x 410 mm
  • Honing Machine – Sunnen
  • Column Drills – Aciera

CNC Machining

5-axis Vertical
  • Matsuura MAM 72-35V (40 palettes)
  • Deckel Maho DMU 80U
  • Deckel Maho DMU 60U
  • Ibarmia ZVH Extreme
4-axis Horizontal
  • Matsuura H.Plus 405 (12 palettes)
  • Okuma (2 palettes)
3-axis Vertical
  • Daewoo Mynx 650 (with table divider)
  • Doosan DNM 650
  • Daewoo VM 900 (with table divider)
  • Hyundai-Kia VX 500
3-axis CNC Lathes
  • Doosan Puma 300
  • 2× Doosan Puma 400
  • Mori-Seiki SL25
  • Mori-Seiki T10
3-axis with Driven Tools
  • Ikegaï TUR 26
CNC Finishing
  • Kellenberger internal and external grinder

Certifications & quality documentation

Material certificates

We provide material certificates and marking transfer reports in accordance with EN 13445-4, AD 2000-HP0 and ASIT 201.

Welding qualifications

Our welding procedures and welders are qualified through QMOS, DMOS and QS documentation. Qualifications cover stainless steels and special alloys including 1.4404 (316L), 1.4539 and 2.4602 (Hastelloy C-22), as well as material groups 8.1, 8.2 and 43.

Inspection and test reports

We produce internal surface finish, dimensional control, endoscopy and pressure-test reports up to 3 bar. PT, VT and endoscopic weld validations can be performed by an independent third party.

Material traceability system

Our HACCP-based material traceability system records heat numbers and maintains traceability in accordance with EN 13445-4, AD 2000-HP0 and ASIT 201.

Contact

Request a quote and send your drawing directly to AMG SA.

Route de Cossonay 36a, 1040 Echallens +41 (0)21 886 30 30 info@amg-sa.ch Book a meeting

Send your request for quotation

Your drawing is emailed directly to AMG SA. No copy is retained on the web server after submission.

PDF, DXF, DWG, STEP, IGES or ZIP · maximum 15 MB. For highly sensitive files, use a password-protected ZIP and provide the password separately by phone.

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